1. S. P. Dmitriev, N. A. Dovator, and V. A. Kartoshkin, Pis’ma Zh. Eksp. Teor. Fiz. 66, 145 (1997) [JETP Lett. 66, 151 (1997)].
2. W. Happer, Rev. Mod. Phys. 44, 169 (1972).
3. V. A. Kartoshkin, Zh. Tekh. Fiz. 77(1), 127 (2007) [Tech. Phys. 52, 123 (2007)].
4. B. M. Smirnov, Asymptotic Methods in Atomic Collision Theory (Atomizdat, Moscow, 1973) [in Russian].
5. M. Kimura and N. F. Lane, Phys. Rev. A 41, 2633 (1990).